Home / 110,270.60-152,380.29-90,120.13

Finding the Fourth Proportional to 110,270.60, 152,380.29 and 90,120.13

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Solution

The fourth proportional to 110,270.60, 152,380.29 and 90,120.13 is: 124,534.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,270.60 : 152,380.29 = 90,120.13 : x
  2. Step 2: Convert to fraction form
    110,270.60/152,380.29 = 90,120.13/x
  3. Step 3: Cross multiply
    110,270.60x = 152,380.29 × 90,120.13
  4. Step 4: Simplify right side
    110,270.60x = 13,732,531,544.24
  5. Step 5: Solve for x
    x = 13,732,531,544.24/110,270.60
  6. Step 6: Final answer
    x = 124,534.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.